Tropidia angulosa (Lindl.) Blume 1859
Photos by Peter O'Byrne, courtesy of André Schuiteman, Dr. E.F. de Vogel and Jaap Vermeulen and Their Netherlands National Herbarium Website
Drawing by Pantling 1898
LATE 
Common Name or Meaning The Angled Tropidia - In China KuoYe Zhu Jing Lan
Flower Size .8" wide [2 cm]
Found in Assam, Bangladesh, Eastern Himalayas, Bhutan, India, Myanmar, Thailand, Malaysia, Vietnam, Java, Sumatra and the Philippines in primary and disturbed forests at elevations of sea level to 1600 meters as a small to just medium sized, hot to warm growing terrestrial orchid with a thin and woody sometimes basally branching stem enveloped loosely by 4 sheaths and carrying 2 [rarely 3] apical, plicate, ovate, acuminate, basally clasping leaves that blooms in the fall on a terminal, erect, 4.4" [11 cm] long, densely 20 to 30 flowered inflorescence with narrowly triangular, acute, longer than the sessile ovary floral bracts and carrying non-resupinate flowers.
Synonyms *Cnemidia angulosa Lindl. 1833; Cnemidia semilibera Lindl. 1833; Decaisnea angulosa Lindl. 1832; Govindooia nervosa Wight 1853; Tropidia barbeyana Schltr. 1906; Tropidia bellii Blatt. & McCann 1932; Tropidia calcarata Ames 1912; Tropidia govindovii Blume 1859; Tropidia semilibera (Lindl.) Blume 1859
References W3 Tropicos, Kew Monocot list , IPNI ;
Numer. List: n.° 7388 Lindley ex Wall. 1832 as Decaisnea angulosa nom. nud.
Edwards's Bot. Reg. 19: t. 1618 Lindley 1833 as Cnemidia angulosa
Edwards's Bot. Reg. 19: t. 1618 Lindley 1833 as Cnemidia semilibera
Icon. Pl. Ind. Orient. 6: 34 Wight 1853 as Govindooia nervosa
*Coll. Orchid.: 122 Blume 1859
Coll. Orchid.: 122 Blume 1859 as Tropidia govindovii
Coll. Orchid.: 122 Blume 1859 as Tropidia semilibera
Man. Nílagiri: 122 Bedd. 1880 as Cnemidia semilibera
Orchids of Burma: 356 Grant 1895/1995 as Cnemida semilibera;
The Orchids of Sikkim-Himalaya Part 1: 275 King & Pantling 1898
The Orchids of Sikkim-Himalaya Part 1: Pl 364 King & Pantling 1898 drawing ok;
Bull. Herb. Boissier, sér. 2, 6: 300 Schlechter 1906as Tropidia barbeyana
Philipp. J. Sci., C 7: 7 Ames 1912 as Tropidia calcarata
J. Bombay Nat. Hist. Soc. 35: 730 Blatt. & McCann 1932 as Tropidia bellii
Flora of Malaya Vol 1 Holttum 1957;
The Orchids of Thailand Seidenfaden & Smitinand 1959;
The Orchids of Thailand Seidefaden & Smitnand 1965 corrections;
Orchids of Southern Ryukyu Islands Garay & Sweet 1974 as T calcarata;
Indian Orchids, Guide to Identification and Culture Pradhan 1976 drawing fide;
Dansk Botanisk Arkiv Bind 32 nr 2 Orchids of Thailand VI Neottiideae Seidenfaden 1978 drawing fide
The Complete Writings on Philippine Orchids Vol 1 Quisumbing 1981 as T calcarata;
Orchidiana Philipiniana Vol 1 Valmayor 1984 as T calcarata;
The Orchids of Penninsular Malaysia and Singapore Woods & Seidenfaden 1992 drawing fide;
Orchids of Java: 24 Comber 1990 photo fide;
Identification of the Orchids [Orchidaceae Juss.] Vietnam Averyanov 1994;
Lindleyana Vol 15 No 3: 163 2000;
Orchids of Sumatra Comber 2001 photo fide;
Orchids of Bhutan Pearce & Cribb 2002 drawing fide;
Flora Malesiana Orchids of the Philippines Vol I Agoo, Shuiteman and de Vogel 2003;
The Orchids of India A Glimpse Misra 2007;
Orchids of Vietnam, Illustrated survey, part 1 Averyanov 2008;
A Field Guide to the Orchids of China Singchi, Zhongjian, Yibo, Xiaohua and Zhanhuo 2009 photo ok;
Flora of China Vol 25 Zhengyi, Raven & Deyuan 2009;
Flora of China Vol 25 Illustrations: 260 Zhengyi, Raven & Deyuan 2010 drawing ok;
The Wild Orchids in Yunnan Xu Xiang Ye & Liu 2010 photos ok;
Wild Orchids of Penninsular Malaysia Ong, O'Byrne, Yong & Saw 2011 photo fide;
Orchids of Odisha Misra 2014 drawing fide;
Turczaninowia 19 (3): 5–58 L. V. Averyanov, Khang Sinh Nguyen etal 2016 ;
Atlas of Native Orchids of China Vol 1 Jin Xiaohua, Li Jianwu and Ye Deping 2019 photo fide;
--------------------------------------------------------------------------------------------------------------------------
